Basson, A.H. <br/><br/>
Introduction to symbolic logic / 
by A.H.Basson and D.J.O' Connar. 
 - 3rd ed. 
 - Calcutta :  Oxford university press,  1959 
 - 175p. ;  18x13cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>19-560796-1 :  Rs.20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS-SYMBOLIC
<br/><br/><label>Dewey Class. No.: </label>511.3  / BAS-INT